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Spat efficiency of the smooth scallop Flexopecten glaber in the Aegean Sea, Türkiye

Selcuk Yigitkurt
Selcuk Yigitkurt
, 
Ali Kırtık
Ali Kırtık
, 
Evrim Kurtay
Evrim Kurtay
, 
Sinem Ugur
Sinem Ugur
 oraz 
Yasar Durmaz
Yasar Durmaz
   | 07 lis 2022
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Article Category: Original research paper
Data publikacji: 07 lis 2022
Zakres stron: 298 - 307
Otrzymano: 24 maj 2022
Przyjęty: 04 sie 2022
DOI: https://doi.org/10.26881/oahs-2022.3.05
Słowa kluczowe
© 2022 Selcuk Yigitkurt et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

The study area on the Ozbek Coast in Türkiye
The study area on the Ozbek Coast in Türkiye

Figure 2

Design of the surface and bottom collectors
Design of the surface and bottom collectors

Figure 3

Hydrological parameters in the study area: (a) surface temperature and salinity, (b) bottom temperature and salinity, (c) chlorophyll-a, and (d) TPM
Hydrological parameters in the study area: (a) surface temperature and salinity, (b) bottom temperature and salinity, (c) chlorophyll-a, and (d) TPM

Figure 4

Total number of smooth scallop spat in both collectors (± SD)
Total number of smooth scallop spat in both collectors (± SD)

Figure 5

Number of smooth scallop spat in both collectors (± SD)
Number of smooth scallop spat in both collectors (± SD)

Figure 6

Mean height of smooth scallop spat on the surface (a) and bottom (b) collectors (± SD)
Mean height of smooth scallop spat on the surface (a) and bottom (b) collectors (± SD)

Shellfish spat of economic value on the surface collector

P. radiata O. edulis A. inaequvalvis M. varia M. barbatus C. tuberculatum
Sep 11.00 ± 2.00 0 0 0 0 0
Oct 291.00 ± 9.00 2.00 ± 1.00 48.00 ± 14.00 0 1.00 0
Nov 189.00 ± 21.00 7.00 ± 2.00 3.00 ± 2.00 0 0 0
Dec 160.00 ± 40.00 6.00 ± 5.00 11.00 ± 6.00 15.00 ± 10.00 1.33 ± 0.57 4.00 ± 2.00
Jan 153.00 ± 2.00 9.00 ± 4.00 71.00 ± 30.00 1.33 ± 0.57 1.33 ± 0.57 1.00
Feb 205.00 ± 10.00 23.00 ± 10.00 98.00 ± 30.00 4.00 ± 2.00 0 3.00 ± 2.00
Mar 166.00 ± 20.00 32.33 ± 20.00 26.00 ± 3.00 0 1.33 ± 0.57 0
Apr 112.00 ± 30.00 9.00 ± 8.00 1.33 ± 0.57 1.00 0 0
May 220.00 ± 12.00 65.00 ± 4.00 14.33 ± 10.01 8.00 ± 4.00 1.33 ± 0.57 0
Jun 180.00 ± 20.00 43.00 ± 30.04 5.00 ± 2.00 4.00 ± 3.00 1.00 0
Jul 210.00 ± 4.00 35.33 ± 7.50 3.00 ± 2.00 2.00 ± 1.00 1.00 0
Aug 250.00 ± 22.00 32.00 ± 6.00 2.00 ± 1.00 1.00 1.00 0

Shellfish spat of economic value on the bottom collector

P.radiata O. edulis A. inaequvalvis M. varia M. barbatus C. tuberculatum
Sep 19.00 ± 4.00 0 0 0 0 0
Oct 103.33 ± 22.54 2.00 ± 1.00 9.33 ± 3.51 0 0 0
Nov 182.33 ± 16.25 19.00 ± 4.00 6.33 ± 2.51 1.00 0 0
Dec 140.00 ± 20.00 3.00 ± 1.00 3.66 ± 2.08 21.66 ± 5.03 0 3.00 ± 2.00
Jan 110.00 ± 5.00 39.00 ± 9.00 4.33 ± 2.30 0 0 1.00
Feb 123.00 ± 10.00 16.66 ± 6.50 3.33 ± 1.52 0 0 0
Mar 50.00 ± 12.00 10.66 ± 5.50 9.66 ± 6.02 0 1.00 0
Apr 16.00 ± 10.00 11.33 ± 6.02 0 0 0 0
May 24.00 ± 10.00 5.66 ± 2.08 0 0 2.00 ± 1.00 1.00
Jun 49.00 ± 4.00 11.33 ± 5.50 0 0 0 2.00 ± 1.00
Jul 110.00 ± 8.00 10.66 ± 6.02 0 0 0 1.00
Aug 159.00 ± 20.00 9.33 ± 5.50 0 0 0 1.00

Height range of the smooth scallop on the surface collector P.S: (spat number ± SD)

Surface n (spat m ± Sd) Height Range (mm) <10 mm (%) 10–20 mm (%) >20 mm (%)
Sep 1.33±0.57 4.50 100 0 0
Oct 15.00±2.00 6.32–18.73 46.66 53.33 0
Nov 2.00±1.00 5.27–14.96 50.00 50.00 0
Dec 18.66±1.52 4.00–13.40 84.21 15.78 0
Jan 19.00±2.00 8.02–28.07 10.52 84.21 5.26
Feb 12.00±2.00 7.40–23.40 16.66 66.66 16.66
Mar 13.00±2.00 10.19–34.48 0 92.30 7.69
Apr 2.66±2.08 19.50–20.50 0 50.00 50.00
May 6.33±3.05 13.00–22.20 0 66.66 33.33
Jun 4.00±2.00 17.00–22.20 0 50.00 50.00
Jul 12.00±4.58 8.60–25.60 33.33 25.00 41.67
Aug 20.00±3.00 8.50–28.90 30.00 20.00 50.00

Undesirable species on the bottom collector

Ae Ms Li Pl Ph Ml Bs Sc
Sep 6.33 ± 1.52 0 4.33 ± 1.52 0 0 0 0 0
Oct 81.33 ± 16.92 0 14.33 ± 8.08 7.33 ± 2.51 4.66 ± 2.08 0 0 0
Nov 276.66 ± 70.23 0 6.66 ± 2.08 2.00 ± 0.00 3.66 ± 2.08 0 0 0
Dec 21.00 ± 7.54 0 0 3.00 ± 1.00 4.33 ± 1.52 1.00 ± 0.00 0 0
Jan 253.33 ± 83.57 3.00 ± 2.00 5.66 ± 3.05 7.66 ± 2.08 1.00 ± 0.00 0 0 5.33 ± 3.51
Feb 35.00 ± 8.54 3.00 ± 2.00 0 3.33 ± 0.57 0 0 0 4.33 ± 1.52
Mar 187.33 ± 26.57 0 29.66 ± 7.63 1.00 ± 0.00 3.00 ± 1.00 0 0 0
Apr 9.66 ± 3.05 0 7.33 ± 2.51 1.00 ± 0.00 3.00 ± 1.00 0 0 0
May 0 0 11.33 ± 5.50 4.33 ± 2.51 4.66 ± 0.57 0 0 0
Jun 0 0 16.00 ± 8.54 5.66 ± 2.08 7.00 ± 1.00 0 0 3.66 ± 1.15
Jul 0 0 10.33 ± 8.08 6.00 ± 3.00 5.33 ± 1.52 0 0 1.33 ± 0.57
Aug 0 0 6.33 ± 3.05 3.66 ± 1.15 4.33 ± 0.57 0 0 1.33 ± 0.57

Studies on the collection of F. glaber spat Location

Location Species Temperature (°C) Salinity (PSU) Spat m−2 Author(s)
Gulf of Taranto (The Mediterranean, Italy) F. glaber 12–27 37–38 181 Prato et al. 2016
Amvrakikos Gulf (Ionian Sea, Greece) 18–29 22–32 31 Tsotsios et al. 2016
Izmir Bay (Karantina Island, Aegean Sea, Türkiye) 12.5–27 36–36.5 160 Yigitkurt et al. 2017
Izmir Bay (Özbek Coast, The Aegean Sea, Türkiye) 12–28.4 35.1–37.5 270 This study
Izmir Bay (The Aegean Sea, Türkiye) 12–28.4 35.1–37.5 145 (Bottom) This study
Izmir Bay (The Aegean Sea, Türkiye) 12–28.4 35.1–37.5 124 (Surface) This study

Height range of the smooth scallop on the bottom collector

Bottom n (spat m ± Sd) Height Range (mm) <10 mm (%) 10 – 20 mm (%) >20 mm (%)
Sep 1.00 5.50 100 0 0
Oct 6.00 ± 3.00 11.16 – 15.47 0 100 0
Nov 9.00 ± 4.00 11.31 – 19.51 0 100 0
Dec 3.00 6.60 – 15.40 66.66 33.33 0
Jan 10.00 ± 1.00 12.43 – 28.56 0 80.00 20.00
Feb 8.00 9.99 – 22.66 0 87.50 12.50
Mar 19.00 ± 4.00 10.14 – 18.69 0 100 0
Apr 44.66 ± 1.26 7.40 – 35.40 6.66 82.22 11.11
May 5.00 ± 3.00 15.70 – 18.60 0 100 0
Jun 14.33 ± 0.57 15.60 – 23.50 0 64.28 35.71
Jul 12.33 ± 0.57 7.60 – 24.60 33.33 50 16.66
Aug 13.33 ± 0.57 8.40 – 28.90 23.08 30.76 46.15

Undesirable species on the surface collector

Ae Ms Li Pl Ph Ml Bs Sc
Sep 13.00 ± 8.00 0 0 0 0 0 1.00 ± 0.00 0
Oct 226.33 ± 100.59 1.00 ± 0.00 0 13.00 ± 4.00 2.33 ± 0.57 0 0 0
Nov 313.33 ± 100.16 2.00 ± 1.00 0 7.00 ± 4.00 2.00 ± 1.00 0 0 0
Dec 25.00 ± 3.00 1.00 ± 0.00 0 5.00 ± 4.00 7.00 ± 2.00 0 3.00 ± 2.00 0
Jan 240.00 ± 25.00 4.00 ± 1.00 0 2.33 ± 0.57 1.33 ± 0.57 0 0 0
Feb 457.00 ± 45.13 10.00 ± 2.00 0 2.00 ± 1.00 1.33 ± 0.57 0 0 0
Mar 534.00 ± 50.02 1.33 ± 0.52 0 2.66 ± 0.57 0 0 0 0
Apr 33.00 ± 10.00 0 2.00 ± 1.00 1.00 ± 0.00 2.33 ± 0.57 0 0 0
May 270.00 ± 100.00 0 1.00 ± 0.00 5.33 ± 2.51 3.33 ± 0.57 0 0 0
Jun 150.00 ± 25.00 0 1.00 ± 0.00 3.00 ± 2.00 3.33 ± 0.57 0 0 0
Jul 89.00 ± 10.00 0 1.33 ± 0.57 4.00 ± 3.00 2.00 ± 1.00 0 0 0
Aug 110.00 ± 15.00 0 1.00 ± 0.00 2.66 ± 0.57 2.00 ± 0.00 0 0 0
eISSN:
1897-3191
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Chemistry, other, Geosciences, Life Sciences
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